9.8

CVE-2022-30477: tenda ac18_firmware Out-of-bounds Write

Modified
Published 26-05-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-30477 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac18_firmware. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.40%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 26-05-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Tenda AC Series Router AC18_V15.03.05.19(6318) was discovered to contain a stack-based buffer overflow in the httpd module when handling /goform/SetClientState request.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.40%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

Increase +0.02 pp

From 1.38% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Vulnrepo

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tenda1 product

1 vendor · 1 product

References

1 links